diff --git a/lib/hx509/data/gen-req.sh b/lib/hx509/data/gen-req.sh
index 56cc3af83..1007fa695 100644
--- a/lib/hx509/data/gen-req.sh
+++ b/lib/hx509/data/gen-req.sh
@@ -119,6 +119,36 @@ openssl smime \
     -outform DER \
     -out test-signed-data-noattr-nocerts
 
+openssl smime \
+    -encrypt \
+    -nodetach \
+    -binary \
+    -in static-file \
+    -outform DER \
+    -out test-enveloped-rc2-40 \
+    -rc2-40 \
+    test.crt
+
+openssl smime \
+    -encrypt \
+    -nodetach \
+    -binary \
+    -in static-file \
+    -outform DER \
+    -out test-enveloped-rc2-64 \
+    -rc2-64 \
+    test.crt
+
+openssl smime \
+    -encrypt \
+    -nodetach \
+    -binary \
+    -in static-file \
+    -outform DER \
+    -out test-enveloped-rc2-128 \
+    -rc2-128 \
+    test.crt
+
 openssl smime \
     -encrypt \
     -nodetach \